Showing posts with label design. Show all posts
Showing posts with label design. Show all posts
Thursday, January 16, 2020

Communication Skills Are Essential

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When recruiting personnel for your project, don't underestimate the importance of teamwork and communication. The best software archi...
Monday, January 07, 2019

Design Is Multidimensional

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When designing a home, architects represent it in many ways to fully understand and convey its essence to builders, buyers of materials, ...
Saturday, December 22, 2018

Provide All The Information The User Needs And Nothing More

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A key part of the design process is the precise definition of each and every software component in the system. This specification will be...
Tuesday, December 04, 2018

Software Reliability Can Be Achieved Through Redundancy

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In hardware systems, high reliability or availability ( Specify Reliability Specifically ) is often achieved through redundancy. Thus, if...
Monday, December 03, 2018

"Garbage In, Garbage Out" Is Incorrect

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Many people quote the expression "garbage in, garbage out" as if it were acceptable for software to behave like this. It is not...
Thursday, November 29, 2018

You Can Reuse Without A Big Investment

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When salvaging you got to be the tug that pulls what you need to the surface. The most effective way to reuse software components is fr...
Wednesday, November 28, 2018

Know Your Application

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No matter how well the requirements have been written, the selection of optimal architectures and algorithms is very much a function of k...
Thursday, April 26, 2018

Great Designs Come From Great Designers

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The difference between a poor design and a good design may be the result of a sound design method, superior training, better education, ...

Keep It Simple

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A simple architecture or a simple algorithm goes a long way toward achieving high maintainability. Remember KISS. Also, as you decompose ...
Tuesday, April 17, 2018

Build Flexibility Into Software

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A software component exhibits flexibility if it can be easily modified to perform its function (or a similar function) in a different sit...
Monday, April 16, 2018

Build Generality Into Software

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A software component exhibits generality if it can perform its intended functions without any change in a variety of situations. General...
Friday, April 06, 2018

Transition from Requirements to Design Is Not Easy

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Requirements engineering culminates in a requirements specification, a detailed description of the external  behavior of a system. The f...
Thursday, April 05, 2018

Trace Design to Requirements

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When designing software, the designer must know which requirements are being satisfied by each component. When selecting a software arch...

Evaluate Alternatives

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A critical aspect of all engineering disciplines is the elaboration of multiple approaches, trade-off analyses among them, and the event...
Wednesday, April 04, 2018

Design Without Documentation Is Not Design

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Sometimes you'll hear a software engineer say, "I have finished the design. All that's left is its documentation." This...
Wednesday, August 23, 2017

Encapsulate

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Information hiding is a simple, proven concept that results in software that is easier to test and easier still to maintain. Most softw...
Tuesday, April 25, 2017

Don't Reinvent the Wheel

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When electrical engineers design new printed circuit boards, they go to a catalog of available integrated circuits to select the most a...
Saturday, January 07, 2017

Avoid Numerous Special Cases

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There are often exceptional situations to an algorithm's design. Exceptional situations cause special cases to be added to the algori...
Wednesday, December 14, 2016

Minimize Intellectual Distance

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Edsger Dijkstra defined intellectual distance as the distance between the real-world problem and the computerized solution...

Keep Design Under Intellectual Control

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A design is under intellectual control if it has been created and documented in a manner that enables its creators and maintainers to fully...